Sign Up Successful!
You now have access to more from Realmo!
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    East Islip, NY Office Properties & Spaces for Sale

    Notify Me
    List
    Map
    High-Visibility Commercial Property on Carleton Avenue
    $1,800,000
    6,100 SF

    High-Visibility Commercial Property on Carleton Avenue

    55 Carleton Ave, East Islip, NY 11730

    0.98-acre commercial property suited for office, medical, or veterinary use.

    • High‑visibility 0.98‑acre commercial property on Carleton Avenue.
    • Zoned GSD, suitable for office, medical, or veterinary use.
    • Opportunity for expansion up to 11,000 sq. ft. or redevelopment up to 17,000 sq. ft.
    • Prime location in East Islip with strong commercial activity and desirable demographics.
    • Easy access to Sunrise Hwy and Southern State Parkway.
    Updated: Oct 24, 2025
    View details
    East Islip Medical/Fitness Property
    $7,500,000
    23,518 SF

    East Islip Medical/Fitness Property

    269 E Main St, E Islip, NY 11730

    23,518 SF building on 1.2 acres, high-traffic location.

    • +/-23,518 SF Building with parking on a 1.2 Acre Lot
    • Two‑Tenant, low‑management medical and fitness property
    • Located on heavily‑trafficked East Main Street (Montauk Hwy)
    • Combined WALT of 11 years
    View details
    Based on your search, we've compiled 46 Potential Opportunities for your consideration. Besides 2 Active listings in East Islip, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 40 Off-Market properties to explore as potential leads

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Oakdale Office Building For Sale
    Pending
    $925,000
    1,200 SF

    Oakdale Office Building For Sale

    Office building with ample parking and potential income opportunity.

    1405 Montauk Hwy, Oakdale, NY 11769
    View details
    Oakdale Office Condo For Sale
    $350,000
    0.03 Acres

    Oakdale Office Condo For Sale

    Well-maintained office condo in Oakdale Commons Shopping Center.

    1215 Montauk Hwy, Oakdale, NY 11769
    View details
    Commercial Investment Property For Sale
    $3,699,000

    Commercial Investment Property For Sale

    Triple net lease, 100% occupied commercial investment property.

    375-381 E Main St, Bayshore, NY 11706
    View details
    Three Building Office Property
    Contact for pricing
    3,000 SF

    Three Building Office Property

    Three office buildings totaling approximately 3,000 square feet for sale.

    1830-1840 Union Blvd, Bayshore, NY 11706
    View details

    Explore Off-Market Properties in East Islip, NY

    Consider similar Off-Market properties in East Islip, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.03 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation
    $470,000
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.04 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    79-83 Main St

    79-83 Main St

    PROFESSIONAL BUILDING • 0.37 Acres
    Value Estimation
    $320,000
    79-83 Main St, East Islip, NY 11730
    View details
    107 Main St

    107 Main St

    PROFESSIONAL BUILDING • 0.32 Acres
    Value Estimation by Request
    107 Main St, East Islip, NY 11730-2337
    View details
    99 Main St

    99 Main St

    OFFICE BUILDING • 0.18 Acres
    Value Estimation by Request
    99 Main St, East Islip, NY 11730-2538
    View details
    96 Main St

    96 Main St

    OFFICE BUILDING • 0.45 Acres
    Value Estimation by Request
    96 Main St, East Islip, NY 11730-2531
    View details
    Montauk Hwy

    Montauk Hwy

    PROFESSIONAL BUILDING • 0.36 Acres
    Value Estimation by Request
    Montauk Hwy, East Islip, NY 11730
    View details
    8 Laurel Ave

    8 Laurel Ave

    PROFESSIONAL BUILDING • 0.76 Acres
    Value Estimation by Request
    8 Laurel Ave, East Islip, NY 11730-2131
    View details
    3045 Sunrise Hwy

    3045 Sunrise Hwy

    OFFICE BUILDING • 1.14 Acres
    Value Estimation
    $270,000
    3045 Sunrise Hwy, East Islip, NY 11730
    View details
    55 Carleton Ave

    55 Carleton Ave

    OFFICE BUILDING • 0.98 Acres
    Value Estimation by Request
    55 Carleton Ave, East Islip, NY 11730-2133
    View details
    Main St

    Main St

    OFFICE BUILDING • 0.16 Acres
    Value Estimation by Request
    Main St, East Islip, NY 11730
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.07 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    149 Main St

    149 Main St

    OFFICE BUILDING • 0.25 Acres
    Value Estimation by Request
    149 Main St, East Islip, NY 11730-2644
    View details
    369 Main St

    369 Main St

    OFFICE BUILDING • 0.02 Acres
    Value Estimation by Request
    369 Main St, East Islip, NY 11730-2800
    View details
    268 Main St

    268 Main St

    PROFESSIONAL BUILDING • 0.26 Acres
    Value Estimation by Request
    268 Main St, East Islip, NY 11730-2835
    View details

    East Islip, NY Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 42 office properties & spaces for sale in East Islip, NY on our real estate platform. These investment opportunities span a total of 186,872 square feet of properties for sale, with an estimated market value of $3,860,000.

    Prices for office spaces in East Islip, NY start at $235,000, averaging $643,333, and reaching up to $1,800,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

    List
    Map

    Browse Office Properties & Spaces for Sale Near East Islip, NY

    Popular Searches in East Islip, NY

    Most Searched ZIP Codes in East Islip, NY

    • 11730

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Create New Password
    • At least 8 characters
    • Contains both letters and numbers
    • Contains uppercase and lowercase letters
    • At most 32 characters
    • Password required
    • Password reset link has expired. Please request a new one.